.footer {
  width: 100%;
  height: 50px;
  background-color: #eee;
  color: #000;
  box-sizing: border-box;
  padding: 0 5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.tips {
  margin-left: 10px;
  flex: 1;
}
.clear {
  width: 150px;
  height: 30px;
  background-color: tomato;
  color: #fff;
  border: none;
  border-radius: 4px;
}
